The Automotive Directory Featured Sites Used Cars Used car listings and dealerships across the country, as well as informative articles for the used car buyer and seller. Listings Advance Security Inc. - manufactures a variety of security systems, alarms, immobilizers, and accessories for cars and motorcycles. Aritronix - manufacturer and sales of motorcycle alarms and security systems. Datatool Motorcycle Security Products - designs and manufactures motorcycle security products in the U.K. MGX International Ltd. - manufacturers of the Xena range of motorcycle security products and Accu-Mix containers.